Hot and cold water mixing discharge device
CA 2070838 A1 · Owner: Enoki, Masatoshi · Inventors: Yamato, Shinichi; Tokunaga, Osamu; Imazono, Masahiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hot and cold water mixing-discharging device comprises: an automatic temperature regulating means (16) for mixing hot water and cold water flowing in through a hot-water flow-in path (14) and a cold-water flow-in path (12), respectively at a flowrate ratio , corresponding to a predetermined temperature to automatically produce mixed warm water of the predetermined temperature; and a flowrate regulating means (19) for adding hot water or cold water flowing in through a bypass flow path (18) bypassing the hot-water flow-in path (14) or the cold-water flow-in path (12) to the mixed warm water to control the temperature of the mixed warm water to be discharged. By operating the flowrate …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed October 5, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 5, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 5, 2013.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.